<!DOCTYPE html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
  <HEAD>
    <TITLE> love </TITLE>
    <META NAME="Generator" CONTENT="EditPlus">
    <META NAME="Author" CONTENT="">
    <META NAME="Keywords" CONTENT="">
    <META NAME="Description" CONTENT="">
    <style>
      html, body {
        height: 100%;
        padding: 0;
        margin: 0;
        background: #000;
      }
      canvas {
        position: absolute;
        width: 100%;
        height: 100%;
      }
    </style>
    <style type="text/css">
      div{auto;
           color:#ea80b0;
           font-size: size 40px;
           font-family: Wawati SC;
      }
      .box1{
           position: absolute;
           top: 55%;
           left:48%;
           -webkit-transform: translateY(-50%);
           -ms-transform: translateY(-50%);
           -o-transform: translateY(-50%);
           transform: translateY(-50%);
      }
      .box2{
           position: absolute;
           top: 48%;
           left:45%;
           -webkit-transform: translateY(-50%);
           -ms-transform: translateY(-50%);
           -o-transform: translateY(-50%);
           transform: translateY(-50%);
      }  
    </style>
  </HEAD>
  <BODY>
    <canvas id="pinkboard"></canvas>
    <script>
      /*
* Settings
*/
      var settings = {
        particles: {
          length: 500, // maximum amount of particles
          duration: 2, // particle duration in sec
          velocity: 100, // particle velocity in pixels/sec
          effect: -0.75, // play with this for a nice effect
          size: 30, // particle size in pixels
        },
      };
      /*
* RequestAnimationFrame polyfill by Erik Möller
*/
      (function(){var b=0;var c=["ms","moz","webkit","o"];for(var a=0;a<c.length&&!window.requestAnimationFrame;++a){window.requestAnimationFrame=window[c[a]+"RequestAnimationFrame"];window.cancelAnimationFrame=window[c[a]+"CancelAnimationFrame"]||window[c[a]+"CancelRequestAnimationFrame"]}if(!window.requestAnimationFrame){window.requestAnimationFrame=function(h,e){var d=new Date().getTime();var f=Math.max(0,16-(d-b));var g=window.setTimeout(function(){h(d+f)},f);b=d+f;return g}}if(!window.cancelAnimationFrame){window.cancelAnimationFrame=function(d){clearTimeout(d)}}}());
        /*
        * Point class
        */
        var Point = (function() {
        function Point(x, y) {
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        this.y = (typeof y !== 'undefined') ? y : 0;
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        Point.prototype.length = function(length) {
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        return Math.sqrt(this.x * this.x + this.y * this.y);
        this.normalize();
        this.x *= length;
        this.y *= length;
        return this;
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        Point.prototype.normalize = function() {
        var length = this.length();
        this.x /= length;
        this.y /= length;
        return this;
        };
        return Point;
        })();
        /*
        * Particle class
        */
        var Particle = (function() {
        function Particle() {
        this.position = new Point();
        this.velocity = new Point();
        this.acceleration = new Point();
        this.age = 0;
        }
        Particle.prototype.initialize = function(x, y, dx, dy) {
        this.position.x = x;
        this.position.y = y;
        this.velocity.x = dx;
        this.velocity.y = dy;
        this.acceleration.x = dx * settings.particles.effect;
        this.acceleration.y = dy * settings.particles.effect;
        this.age = 0;
        };
        Particle.prototype.update = function(deltaTime) {
        this.position.x += this.velocity.x * deltaTime;
        this.position.y += this.velocity.y * deltaTime;
        this.velocity.x += this.acceleration.x * deltaTime;
        this.velocity.y += this.acceleration.y * deltaTime;
        this.age += deltaTime;
        };
        Particle.prototype.draw = function(context, image) {
        function ease(t) {
        return (--t) * t * t + 1;
        }
        var size = image.width * ease(this.age / settings.particles.duration);
        context.globalAlpha = 1 - this.age / settings.particles.duration;
        context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
        };
        return Particle;
        })();
        /*
        * ParticlePool class
        */
        var ParticlePool = (function() {
        var particles,
        firstActive = 0,
        firstFree = 0,
        duration = settings.particles.duration;
        function ParticlePool(length) {
        // create and populate particle pool
        particles = new Array(length);
        for (var i = 0; i < particles.length; i++)
        particles[i] = new Particle();
        }
        ParticlePool.prototype.add = function(x, y, dx, dy) {
        particles[firstFree].initialize(x, y, dx, dy);
        // handle circular queue
        firstFree++;
        if (firstFree == particles.length) firstFree = 0;
        if (firstActive == firstFree ) firstActive++;
        if (firstActive == particles.length) firstActive = 0;
        };
        ParticlePool.prototype.update = function(deltaTime) {
        var i;
        // update active particles
        if (firstActive < firstFree) {
        for (i = firstActive; i < firstFree; i++)
        particles[i].update(deltaTime);
        }
        if (firstFree < firstActive) {
        for (i = firstActive; i < particles.length; i++)
        particles[i].update(deltaTime);
        for (i = 0; i < firstFree; i++)
        particles[i].update(deltaTime);
        }
        // remove inactive particles
        while (particles[firstActive].age >= duration && firstActive != firstFree) {
        firstActive++;
        if (firstActive == particles.length) firstActive = 0;
        }
        };
        ParticlePool.prototype.draw = function(context, image) {
        // draw active particles
        if (firstActive < firstFree) {
        for (i = firstActive; i < firstFree; i++)
        particles[i].draw(context, image);
        }
        if (firstFree < firstActive) {
        for (i = firstActive; i < particles.length; i++)
        particles[i].draw(context, image);
        for (i = 0; i < firstFree; i++)
        particles[i].draw(context, image);
        }
        };
        return ParticlePool;
        })();
        /*
        * Putting it all together
        */
        (function(canvas) {
        var context = canvas.getContext('2d'),
        particles = new ParticlePool(settings.particles.length),
        particleRate = settings.particles.length / settings.particles.duration, // particles/sec
        time;
        // get point on heart with -PI <= t <= PI
        function pointOnHeart(t) {
        return new Point(
        160 * Math.pow(Math.sin(t), 3),
        130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
        );
        }
        // creating the particle image using a dummy canvas
        var image = (function() {
        var canvas = document.createElement('canvas'),
        context = canvas.getContext('2d');
        canvas.width = settings.particles.size;
        canvas.height = settings.particles.size;
        // helper function to create the path
        function to(t) {
        var point = pointOnHeart(t);
        point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
        point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
        return point;
        }
        // create the path
        context.beginPath();
        var t = -Math.PI;
        var point = to(t);
        context.moveTo(point.x, point.y);
        while (t < Math.PI) {
        t += 0.01; // baby steps!
        point = to(t);
        context.lineTo(point.x, point.y);
        }
        context.closePath();
        // create the fill
        context.fillStyle = '#ea80b0';
        context.fill();
        // create the image
        var image = new Image();
        image.src = canvas.toDataURL();
        return image;
        })();
        // render that thing!
        function render() {
        // next animation frame
        requestAnimationFrame(render);
        // update time
        var newTime = new Date().getTime() / 1000,
        deltaTime = newTime - (time || newTime);
        time = newTime;
        // clear canvas
        context.clearRect(0, 0, canvas.width, canvas.height);
        // create new particles
        var amount = particleRate * deltaTime;
        for (var i = 0; i < amount; i++) {
        var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
        var dir = pos.clone().length(settings.particles.velocity);
        particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
        }
        // update and draw particles
        particles.update(deltaTime);
        particles.draw(context, image);
        }
        // handle (re-)sizing of the canvas
        function onResize() {
        canvas.width = canvas.clientWidth;
        canvas.height = canvas.clientHeight;
        }
        window.onresize = onResize;
        // delay rendering bootstrap
        setTimeout(function() {
        onResize();
        render();
        }, 10);
        })(document.getElementById('pinkboard'));
        </script>
        <div class="box1">韦天镖</div>
        <div class="box2">爱你一辈子方超凤</div>
        </div>
        </BODY>
        </HTML>

